People Poland Jacenty Mastej peoplepill id: jacenty-mastejJM 2 views today 2 views this weekPolish teacherJacenty MastejBiographyListsAlso ViewedListsJacenty Mastej is in following listsBy field of workNotable Polish people in academiaGender:MaleBy work and/or countryNotable Polish TeachersGender:MaleBy religionCatholic churchFrom our partnersSponsoredJacenty Mastej